REDEL SP Series

Remarkable design delivering top performance
Compact. Robust. Now resin-free IP68 sealing.

The REDEL SP Series takes high-performance connectivity to the next level — combining lightweight strength, exceptional contact density, and an ergonomic, easy-to-handle design. Now enhanced with resin-free IP68 sealing, it ensures uncompromised protection in the most demanding conditions.

Crafted from FDA-approved PPSU, the REDEL SP Series stands up to repeated sterilization, harsh cleaning agents, and demanding environments — delivering lasting reliability in medical robotics, diagnostic equipment, field instruments, and UAV systems.

Its patented internal Push-Pull latching system guarantees secure, intuitive mating, while the modular insert design offers flexibility for evolving needs.

REDEL SP — where Swiss precision meets proven endurance, ensuring safe and seamless performance wherever reliability matters most.

Engineered for reliability. Designed for confidence.

Resin-free IP68 sealing

Watertight and dustproof when mated, no resins required.

Patented internal Push-Pull

Protects designs and preserves system integrity against imitation.

High contact density

Up to 22 contacts in Ø15.5 mm.

Durable & reliable

PPSU construction, resistant to sterilization and harsh cleaning.

Unique design

Flexible contact insert system.

Reinforced mechanical shock resistance

Ensures exceptional durability and extended product lifespan.

Key Features

Patented internal push-pull latching system
Wide range of keying and colour coding for failsafe set-ups in critical environments
Strong blind mating using 3 guided keys
RoHS compliant / UL Recognition
For cable range from ø 2.5 mm to ø 7.5 mm
IEC60601-1: qualified for ESD (15kV)
Made of PPSU (polyphenylsulfone) for increased resistance to sterilisation

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Technical Characteristics

Mechanical endurance	> 5000 mating cycles
Ingress protection index (mated)	IP50/ IP68 watertight (2 meters/2 hours)
Housing material	PPSU (Polyphenylsulfone)
Working temperature range	-50°C/+170°C
Sterilisation	Steam / ETO
Autoclave cycles	> 100 times (IP50) / > 20 times (IP68)
ESD contact and air discharge	IEC 61000-4-2 : 15 kV DC
Max Ø wire size	AWG 18 (Crimp contact) AWG 20 (Solder contact)

Main Applications

Engineered for demanding environments across multiple industries, these connectors provide robust performance and long-term reliability. With resin-free IP68 sealing, corrosion resistance, and high mechanical endurance, they are ideally suited for medical, test & measurement, and UAV applications.

Medical

Engineered for environments where cleanliness and reliability are vital.
Applications include:

Portable or mobile diagnostic devices
Laboratory equipment handling sensitive fluids or gases
Water purification or filtration systems
Food and pharmaceutical applications cleaned with high-pressure washing
Medical robots or sensors operating in clean environments

Test and Measurement applications for LEMO connectors

Test & Measurement

When accuracy meets the elements. Designed for demanding industrial environments exposed to humidity or contaminants, these connectors guarantee safe and reliable measurement performance. With no corrosion or exposed metal parts, they ensure safe and reliable measurements on-site or in the lab.
Applications include:

Outdoor test benches in uncontrolled industrial environments
Embedded testing
Temporary field sensors

Drone and UAV applications for LEMO connectors

UAV / Drones

Designed for weight-sensitive missions and harsh environmental conditions — offering protection against weather, dust, and splashes (IP68), along with reliable performance and superior shock resistance.

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Product brief - REDEL SP Series Catalog SP Series

Full cable assembly expertise for unmatched IP68 protection

In medical environments, precision, reliability, and compliance are non-negotiable. Achieving a perfectly sealed IP68 solution is not just about the connector—it requires advanced cable solutions and cabling expertise that only LEMO can provide.

Custom medical-grade cables

BioCompatic® designed for flexibility, biocompatibility, sterilization resistance, and signal integrity.

BioCompatic®

Cable Assembly & Integration Services

Our breakthrough sealing technology uses a cable clamping kit, eliminating traditional potting or resin-based processes that can be incompatible with strict medical regulations. The result is a robust, repeatable, and fully compliant solution that simplifies assembly without compromising safety or performance.

Cable Assembly Key Benefits:

Time-saving and efficient assembly
Fully compliant with medical requirements
Enhanced reliability and safety
Streamlined, standardized workflow

Backed by ISO 13485–certified manufacturing, our assembly sites deliver plug-and-play, regulation-compliant harnesses engineered to optimize workflow efficiency and ensure long-term performance in critical medical applications. Entrust LEMO with your projects where no infiltration can be risked—we provide a ready-to-use solution that combines connector reliability and expert cable assembly in one complete system.

Protecting critical interfaces — Even when disconnected

REDEL SP watertight caps shield critical interfaces from moisture, dust, and contamination — ensuring hygiene, reliability, and longer equipment life.

Looking for watertight, compact connectors?

Reach out to our experts and discover how LEMO’s REDEL SP Series delivers reliable, high-performance connectivity for your most demanding applications.

With a compact design, IP68 sealing, high contact density, and patented Push-Pull latching, these connectors are engineered for medical, industrial, and UAV environments. Share your requirements today and let us design your perfect solution.

REDEL SP Series Remarkable design delivering top performance Compact. Robust. Now resin-free IP68 sealing.